In La2xSrxCuO4 (LSCO) the spectral weight W obeys the same law W =W0 -BT^2 as in a conventional metal such as gold, for any frequency up to the plasma edge. However, in LSCO B points toward correlation effects and, unlike in gold, is related to an energy scale tT < 2000 cm1.
Frequency-Dependent Thermal Response of the Charge System and the Restricted Sum Rules of La2xSrxCuO4 / Ortolani, Michele; Calvani, Paolo; Lupi, Stefano. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 94:(2005), pp. 067002-1-067002-4. [10.1103/PhysRevLett.94.067002]
Frequency-Dependent Thermal Response of the Charge System and the Restricted Sum Rules of La2xSrxCuO4
ORTOLANI, MICHELEPrimo
Investigation
;CALVANI, Paolo;LUPI, Stefano
2005
Abstract
In La2xSrxCuO4 (LSCO) the spectral weight W obeys the same law W =W0 -BT^2 as in a conventional metal such as gold, for any frequency up to the plasma edge. However, in LSCO B points toward correlation effects and, unlike in gold, is related to an energy scale tT < 2000 cm1.File allegati a questo prodotto
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